Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe
Resource
win10v2004-20240508-en
General
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Target
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe
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Size
4.1MB
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MD5
fa7498e3c0481427c170f39e32584f47
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SHA1
28702347c340a586c440ffdc8e037e68c8e45fdb
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SHA256
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f
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SHA512
b6ad713ce18241fb0628b119dcabec1ee88f813c892cf5e6ecb460c11b2957bfe15807e1a426375fc5706d1259278beaf5d5817592aa9718f09908caedb6787d
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SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2a:1H+PiSfw6Rz4ejOEAZ44S5J5ww2a
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4560-2-0x00000000044A0000-0x0000000004D8B000-memory.dmp family_glupteba behavioral1/memory/4560-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4560-56-0x00000000044A0000-0x0000000004D8B000-memory.dmp family_glupteba behavioral1/memory/4560-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4560-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2448-134-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1800-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3516 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1800 csrss.exe 2052 injector.exe 4936 windefender.exe 532 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000700000002353a-222.dat upx behavioral1/memory/4936-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4936-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe -
Drops file in Windows directory 4 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 4452 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1188 powershell.exe 1408 powershell.exe 1268 powershell.exe 2228 powershell.exe 4676 powershell.exe 2260 powershell.exe 768 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3904 4560 WerFault.exe 90 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1360 schtasks.exe 2888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1408 powershell.exe 1408 powershell.exe 1408 powershell.exe 4560 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 4560 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 1268 powershell.exe 1268 powershell.exe 1268 powershell.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2228 powershell.exe 2228 powershell.exe 2228 powershell.exe 4676 powershell.exe 4676 powershell.exe 4676 powershell.exe 2260 powershell.exe 2260 powershell.exe 2260 powershell.exe 768 powershell.exe 768 powershell.exe 768 powershell.exe 1188 powershell.exe 1188 powershell.exe 1188 powershell.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 1800 csrss.exe 1800 csrss.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 1800 csrss.exe 1800 csrss.exe 2052 injector.exe 2052 injector.exe 1800 csrss.exe 1800 csrss.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 4560 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Token: SeImpersonatePrivilege 4560 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Token: SeDebugPrivilege 1268 powershell.exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 2260 powershell.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 1188 powershell.exe Token: SeSystemEnvironmentPrivilege 1800 csrss.exe Token: SeSecurityPrivilege 4452 sc.exe Token: SeSecurityPrivilege 4452 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4560 wrote to memory of 1408 4560 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 95 PID 4560 wrote to memory of 1408 4560 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 95 PID 4560 wrote to memory of 1408 4560 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 95 PID 2448 wrote to memory of 1268 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 125 PID 2448 wrote to memory of 1268 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 125 PID 2448 wrote to memory of 1268 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 125 PID 2448 wrote to memory of 4332 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 113 PID 2448 wrote to memory of 4332 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 113 PID 4332 wrote to memory of 3516 4332 cmd.exe 115 PID 4332 wrote to memory of 3516 4332 cmd.exe 115 PID 2448 wrote to memory of 2228 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 116 PID 2448 wrote to memory of 2228 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 116 PID 2448 wrote to memory of 2228 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 116 PID 2448 wrote to memory of 4676 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 118 PID 2448 wrote to memory of 4676 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 118 PID 2448 wrote to memory of 4676 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 118 PID 2448 wrote to memory of 1800 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 121 PID 2448 wrote to memory of 1800 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 121 PID 2448 wrote to memory of 1800 2448 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 121 PID 1800 wrote to memory of 2260 1800 csrss.exe 122 PID 1800 wrote to memory of 2260 1800 csrss.exe 122 PID 1800 wrote to memory of 2260 1800 csrss.exe 122 PID 1800 wrote to memory of 768 1800 csrss.exe 127 PID 1800 wrote to memory of 768 1800 csrss.exe 127 PID 1800 wrote to memory of 768 1800 csrss.exe 127 PID 1800 wrote to memory of 1188 1800 csrss.exe 130 PID 1800 wrote to memory of 1188 1800 csrss.exe 130 PID 1800 wrote to memory of 1188 1800 csrss.exe 130 PID 1800 wrote to memory of 2052 1800 csrss.exe 132 PID 1800 wrote to memory of 2052 1800 csrss.exe 132 PID 4936 wrote to memory of 964 4936 windefender.exe 139 PID 4936 wrote to memory of 964 4936 windefender.exe 139 PID 4936 wrote to memory of 964 4936 windefender.exe 139 PID 964 wrote to memory of 4452 964 cmd.exe 140 PID 964 wrote to memory of 4452 964 cmd.exe 140 PID 964 wrote to memory of 4452 964 cmd.exe 140 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe"C:\Users\Admin\AppData\Local\Temp\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408
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C:\Users\Admin\AppData\Local\Temp\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe"C:\Users\Admin\AppData\Local\Temp\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1268
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:3516
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4676
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2260
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2888 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:1268
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4640
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:768
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1188
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2052
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:4452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 6242⤵
- Program crash
PID:3904
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4088,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=3772 /prefetch:81⤵PID:1492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4560 -ip 45601⤵PID:3268
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:532
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50523e55a2a0b4784952d96425bb3561e
SHA1f104a4788bb6b08f71dcff92e6660792d24812eb
SHA256dc158e2618ed76588a7bd81ee230ea043b6a8a02bdb363e8d81ee48906645887
SHA512da131d3306f60ccb00bf802284a7ce12bd1f196d9e0c351cd709717ae9e467613193f02b72bf561124ce33ce8181ecbfcdcc813630bf09e8db7eb8c823b4a678
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c291b84111106a8ec8c97e3ed221f3a
SHA1d0f8d2b3682e1c94875dbe553ae785ef13336ad6
SHA2569d0a65c5ec7c67a963d8adf74ac3e836b528cd178d81cd6f98eaec16ba3adef5
SHA5126338d1ffa8b4a1008b76087db9c6e7bbe04e7b2078602e97abd514422286e304e5a66eabeecc3e616d402ac5927d468167821330038284c3bab4b1518da9fcd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59cb695b1aa0a595a72df73c0e12b84a7
SHA18af8589ad5efb3d93e72f9607f2b6ae706ab4855
SHA2569cd80ecc52d79fee1392570e3d1e8430d256719dc43d5609ee4f50fea4df8eff
SHA51278cdc9927820a0bfa216cd38a7df9e28c0f75d12c9c23086353e3317964be895268f1d3358edc5fb566679e9a946a9eba6c0b6dc49a85c4e82f83a3c2186c638
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546b73eb0de0259097ea05c7349e33669
SHA1bd8c700942b074e777f6d1f0ccb4a5a3a9583b4a
SHA2567e1bf05434957c165ad6f425d774a96c6f85c1c100075c36960ec737ec23e7fa
SHA512c0b78e093fb4b6ffaf5bf4679c792e42b45a11df9e4c3397891b349617aba53285849d1940af83f9d1af5625d11e316643277eba1e99ebfbeaec6b5491b05c81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdb64e16dab9e73d62e52774825aec5f
SHA177c3ca0ce7accd1334b89321836509fe0b8f47eb
SHA256260c8832030cc1c43f58b045ca97b80829774130d3258e3dab2e69b8cd15f3b3
SHA51208d0730bfce049b5462fcb2b29567d553d98ad2b8d1aa4be963168ca4c96892fa3e1365719ece091338de258cd754fcd0ed7a87a7e9b09d6a90022972e170ae9
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Filesize
4.1MB
MD5fa7498e3c0481427c170f39e32584f47
SHA128702347c340a586c440ffdc8e037e68c8e45fdb
SHA2562c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f
SHA512b6ad713ce18241fb0628b119dcabec1ee88f813c892cf5e6ecb460c11b2957bfe15807e1a426375fc5706d1259278beaf5d5817592aa9718f09908caedb6787d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec